Overview

overview

10

Static

static

3

0905ba6c00...18.exe

windows7-x64

10

0905ba6c00...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 15:18

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General

  • Target

    0905ba6c00ce17c79cc4afea05464889_JaffaCakes118.exe

  • Size

    735KB

  • MD5

    0905ba6c00ce17c79cc4afea05464889

  • SHA1

    13f66a4d33a16bb8a24d3339f12aeba38aa819e6

  • SHA256

    0ee017703bd2fd8b81b7b71182ac937f143989731e6adf44dc305dd4fd6150c1

  • SHA512

    b3e940d55016b778683bcb7c5327b6f4e69360cfe29c15a4e80b0ac663e01c69e84bc83ab67dcb212bdbb995bbf112c020085ade54ae8ba7a1d732e10d2f69a0

  • SSDEEP

    12288:rY1TUyutgWBYqwXMeEOWCfBIn23vYezhmjWoXDB6hmtMYrf8G/VJM:yTUykZBYppEY5setmio

Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.westviewcargos.com
  • Port:
    587
  • Username:
    fb@westviewcargos.com
  • Password:
    Choice@@@12345

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0905ba6c00ce17c79cc4afea05464889_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0905ba6c00ce17c79cc4afea05464889_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cfBVyFdDFVQUZn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD438.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2904
    • C:\Users\Admin\AppData\Local\Temp\0905ba6c00ce17c79cc4afea05464889_JaffaCakes118.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4552
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 784
        3⤵
        • Drops file in Windows directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:4308

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\0905ba6c00ce17c79cc4afea05464889_JaffaCakes118.exe.log
    Filesize

    686B

    MD5

    2da5d49e592515901f6adb84aa66860d

    SHA1

    37017ffa66b85c8e1d00fa426733caad0887cf61

    SHA256

    b147333035afc91552bb35c2c97a15496204b134877672a18cb1987d2d8d762d

    SHA512

    6151e54e7efcb14d4b7842b9860438e1cd77036b2e61a72025ff204d35e1181130a0d9522f2ff92f3e960d55e6dda95bbadff0aa5e0799bb51c11316e89c9dca

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpD438.tmp
    Filesize

    1KB

    MD5

    16a031a9d43689d06286bd370704f032

    SHA1

    a0f412bb9afb7dbcbab6660cc4f51693a7a91ce2

    SHA256

    0415605199f8d4ca9cfd28af76a668ec24949a850bfb4bcb2d47ea8f0144c3c7

    SHA512

    02231b93ac3dfaa8d22290de2ae70904c036ece62d29a6bad3197c11ffee57822eec797c02b0cf2c45bceea93444f5f479f9b5e2a3289aa3b22a79728669e494

    Download Submit
  • memory/1920-3-0x0000000074D60000-0x0000000075311000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1920-0-0x0000000074D60000-0x0000000075311000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1920-4-0x0000000001680000-0x0000000001690000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1920-5-0x0000000001680000-0x0000000001690000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1920-2-0x0000000074D60000-0x0000000075311000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1920-1-0x0000000001680000-0x0000000001690000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1920-13-0x0000000074D60000-0x0000000075311000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4552-9-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/4552-12-0x0000000074D60000-0x0000000075311000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4552-14-0x0000000000E00000-0x0000000000E10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4552-15-0x0000000074D60000-0x0000000075311000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4552-22-0x0000000074D60000-0x0000000075311000-memory.dmp
    Filesize

    5.7MB

    Download